Why the study?
What is the accuracy of sphygmomanometers used in Swiss primary care practices compared to a certified calibrator?
Population
975 sphygmomanometers used in the daily practice of Swiss primary care physicians
Design
Cross-sectional
Authors
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Supports timely sphygmomanometer maintenance in primary care; leaves open prospective validation of error effects on outcomes.
What is the accuracy of sphygmomanometers used in Swiss primary care practices compared to a certified calibrator?
The majority of sphygmomanometers in Swiss primary care practices are accurate within ± 3 mmHg, but measurement errors increase significantly two years after maintenance, supporting guidelines for regular calibration.
Züber et al. (2013) studied this question.
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